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Population in Mauritania compared to Oman: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Mauritania was 5,315,065 in 2025 vs 5,494,691 people in Oman in 2025. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,539,189 people compared to 5,775,345 in Oman.

Population statistics:

  • Oman's population is 1.04 times bigger than Mauritania's.
  • Mauritania is ranked the 123rd most populous country in the world, while Oman is the 118th.
  • The countries together account for 0.14% of the world: 0.07% for Mauritania vs 0.07% for Oman.
  • For the last 10 years, Mauritania has had an average growth rate of +2.98% per year vs +2.96% in Oman.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.54M (83.8% growth), while Oman has grown from 2.51M to 5.78M (129.7% growth).

Mauritania vs Oman: population by year and forecast

Mauritania
Factual

Projection
Oman
Factual

Projection
1x
Year Population
Mauritania Oman
2100 17,302,938 12,271,138
2099 17,195,692 12,189,126
2098 17,083,078 12,106,527
2097 16,968,365 12,023,414
2096 16,850,394 11,939,950
2095 16,732,430 11,856,068
2094 16,610,512 11,771,790
2093 16,485,880 11,687,164
2092 16,359,440 11,602,253
2091 16,229,167 11,517,204
2090 16,097,149 11,432,016
2089 15,962,562 11,346,729
2088 15,824,899 11,261,515
2087 15,683,760 11,176,614
2086 15,541,281 11,091,765
2085 15,397,701 11,007,142
2084 15,251,533 10,922,731
2083 15,102,125 10,838,447
2082 14,952,194 10,754,297
2081 14,799,309 10,670,483
2080 14,645,548 10,586,785
2079 14,490,500 10,503,234
2078 14,331,284 10,419,787
2077 14,170,045 10,336,364
2076 14,007,555 10,252,916
2075 13,843,393 10,169,444
2074 13,678,579 10,085,876
2073 13,512,182 10,002,028
2072 13,343,946 9,917,703
2071 13,172,876 9,832,854
2070 13,002,521 9,747,714
2069 12,830,090 9,662,064
2068 12,657,711 9,575,805
2067 12,482,299 9,488,969
2066 12,306,495 9,401,396
2065 12,131,679 9,313,366
2064 11,954,090 9,224,699
2063 11,778,351 9,135,431
2062 11,601,323 9,045,431
2061 11,424,089 8,954,738
2060 11,246,850 8,863,401
2059 11,067,732 8,771,240
2058 10,887,645 8,678,241
2057 10,709,500 8,584,641
2056 10,532,648 8,490,445
2055 10,354,318 8,395,691
2054 10,175,517 8,300,516
2053 9,995,645 8,205,120
2052 9,815,104 8,109,685
2051 9,635,288 8,014,625
2050 9,457,400 7,919,979
2049 9,279,576 7,825,999
2048 9,100,595 7,732,641
2047 8,923,220 7,640,024
2046 8,745,286 7,547,980
2045 8,568,910 7,456,696
2044 8,393,773 7,366,027
2043 8,218,850 7,276,260
2042 8,044,865 7,187,395
2041 7,873,599 7,099,567
2040 7,703,561 7,012,893
2039 7,534,623 6,927,343
2038 7,366,187 6,842,697
2037 7,199,542 6,758,909
2036 7,033,866 6,675,887
2035 6,869,186 6,593,385
2034 6,705,635 6,511,234
2033 6,543,505 6,429,140
2032 6,383,229 6,346,783
2031 6,225,030 6,264,019
2030 6,068,395 6,180,534
2029 5,914,109 6,087,861
2028 5,761,715 5,983,340
2027 5,611,635 5,854,563
2026 5,462,675 5,691,677
2025 5,315,065 5,494,691
2024 5,169,395 5,281,538
2023 5,022,441 5,049,269
2022 4,875,637 4,730,226
2021 4,734,874 4,500,424
2020 4,600,131 4,522,497
2019 4,467,708 4,591,241
2018 4,337,685 4,597,877
2017 4,210,600 4,537,396
2016 4,086,657 4,390,877
2015 3,965,959 4,184,895
2014 3,848,514 4,002,439
2013 3,734,318 3,833,913
2012 3,619,034 3,547,106
2011 3,502,811 3,076,763
2010 3,390,965 2,757,446
2009 3,284,448 2,684,659
2008 3,183,269 2,626,529
2007 3,093,059 2,570,174
2006 3,013,660 2,514,795
2005 2,939,059 2,459,802
2004 2,868,664 2,404,821
2003 2,802,046 2,363,796
2002 2,738,655 2,337,140
2001 2,678,760 2,310,217
2000 2,613,441 2,282,131
1999 2,541,698 2,252,909
1998 2,474,651 2,222,489
1997 2,411,306 2,190,720
1996 2,358,188 2,156,926
1995 2,312,017 2,120,528
1994 2,249,454 2,081,834
1993 2,174,328 2,021,675
1992 2,088,135 1,938,238
1991 2,009,738 1,851,473
1990 1,951,878 1,763,954
1989 1,903,048 1,676,228
1988 1,855,859 1,588,568
1987 1,803,014 1,500,996
1986 1,751,835 1,413,419
1985 1,702,107 1,325,480
1984 1,653,693 1,247,716
1983 1,606,746 1,181,459
1982 1,561,176 1,117,678
1981 1,516,877 1,057,320
1980 1,474,043 1,001,248
1979 1,432,758 949,116
1978 1,392,713 900,304
1977 1,353,768 855,314
1976 1,315,336 814,701
1975 1,277,330 778,864
1974 1,240,188 746,988
1973 1,203,838 721,179
1972 1,168,355 700,593
1971 1,133,702 681,119
1970 1,099,806 662,680
1969 1,066,754 645,255
1968 1,034,739 628,798
1967 1,003,843 613,318
1966 974,157 598,804
1965 945,838 585,236
1964 918,955 572,577
1963 893,423 560,827
1962 869,184 549,941
1961 846,167 539,854
1960 824,298 530,485

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritania/oman | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while Oman gained 1,876,082 people (a 74.6% growth).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,452,532 people (a 35.5% growth), while Oman's population increased by 1,384,468 people (a 31.5% growth).

Mauritania was ranked 132nd most populous country in 2006 and is 123rd in 2026. Oman was ranked 138th in 2006 and ranked 118th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Mauritania's population will grow by 70.7% to 9,457,400 people with a rank change from 123rd to 103rd. The population of Oman will increase by 37.1% to 7,919,979 people and rank change from 118th to 113th.

Mauritania is projected to reach its peak in 2100 at 17.3M people compared to the peak of 12.3M people in 2100 for Oman.

Population growth rate by year

Mauritania
Factual

Projection
Oman
Factual

Projection
1x
Year Growth rate
Mauritania Oman
2100 0.62% 0.67%
2099 0.66% 0.68%
2098 0.68% 0.69%
2097 0.7% 0.7%
2096 0.7% 0.71%
2095 0.73% 0.72%
2094 0.76% 0.72%
2093 0.77% 0.73%
2092 0.8% 0.74%
2091 0.82% 0.75%
2090 0.84% 0.75%
2089 0.87% 0.76%
2088 0.9% 0.76%
2087 0.92% 0.76%
2086 0.93% 0.77%
2085 0.96% 0.77%
2084 0.99% 0.78%
2083 1% 0.78%
2082 1.03% 0.79%
2081 1.05% 0.79%
2080 1.07% 0.8%
2079 1.11% 0.8%
2078 1.14% 0.81%
2077 1.16% 0.81%
2076 1.19% 0.82%
2075 1.2% 0.83%
2074 1.23% 0.84%
2073 1.26% 0.85%
2072 1.3% 0.86%
2071 1.31% 0.87%
2070 1.34% 0.89%
2069 1.36% 0.9%
2068 1.41% 0.92%
2067 1.43% 0.93%
2066 1.44% 0.95%
2065 1.49% 0.96%
2064 1.49% 0.98%
2063 1.53% 0.99%
2062 1.55% 1.01%
2061 1.58% 1.03%
2060 1.62% 1.05%
2059 1.65% 1.07%
2058 1.66% 1.09%
2057 1.68% 1.11%
2056 1.72% 1.13%
2055 1.76% 1.15%
2054 1.8% 1.16%
2053 1.84% 1.18%
2052 1.87% 1.19%
2051 1.88% 1.2%
2050 1.92% 1.2%
2049 1.97% 1.21%
2048 1.99% 1.21%
2047 2.03% 1.22%
2046 2.06% 1.22%
2045 2.09% 1.23%
2044 2.13% 1.23%
2043 2.16% 1.24%
2042 2.18% 1.24%
2041 2.21% 1.24%
2040 2.24% 1.23%
2039 2.29% 1.24%
2038 2.31% 1.24%
2037 2.36% 1.24%
2036 2.4% 1.25%
2035 2.44% 1.26%
2034 2.48% 1.28%
2033 2.51% 1.3%
2032 2.54% 1.32%
2031 2.58% 1.35%
2030 2.61% 1.52%
2029 2.64% 1.75%
2028 2.67% 2.2%
2027 2.73% 2.86%
2026 2.78% 3.59%
2025 2.82% 4.04%
2024 2.93% 4.6%
2023 3.01% 6.74%
2022 2.97% 5.11%
2021 2.93% -0.49%
2020 2.96% -1.5%
2019 3% -0.14%
2018 3.02% 1.33%
2017 3.03% 3.34%
2016 3.04% 4.92%
2015 3.05% 4.56%
2014 3.06% 4.4%
2013 3.19% 8.09%
2012 3.32% 15.3%
2011 3.3% 11.6%
2010 3.24% 2.71%
2009 3.18% 2.21%
2008 2.92% 2.19%
2007 2.63% 2.2%
2006 2.54% 2.24%
2005 2.45% 2.29%
2004 2.38% 1.74%
2003 2.31% 1.14%
2002 2.24% 1.17%
2001 2.5% 1.23%
2000 2.82% 1.3%
1999 2.71% 1.37%
1998 2.63% 1.45%
1997 2.25% 1.57%
1996 2% 1.72%
1995 2.78% 1.86%
1994 3.46% 2.98%
1993 4.13% 4.3%
1992 3.9% 4.69%
1991 2.96% 4.96%
1990 2.57% 5.23%
1989 2.54% 5.52%
1988 2.93% 5.83%
1987 2.92% 6.2%
1986 2.92% 6.63%
1985 2.93% 6.23%
1984 2.92% 5.61%
1983 2.92% 5.71%
1982 2.92% 5.71%
1981 2.91% 5.6%
1980 2.88% 5.49%
1979 2.88% 5.42%
1978 2.88% 5.26%
1977 2.92% 4.99%
1976 2.98% 4.6%
1975 2.99% 4.27%
1974 3.02% 3.58%
1973 3.04% 2.94%
1972 3.06% 2.86%
1971 3.08% 2.78%
1970 3.1% 2.7%
1969 3.09% 2.62%
1968 3.08% 2.52%
1967 3.05% 2.42%
1966 2.99% 2.32%
1965 2.93% 2.21%
1964 2.86% 2.1%
1963 2.79% 1.98%
1962 2.72% 1.87%
1961 2.65% 1.77%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritania/oman | CC BY

In 2025, the population of Mauritania grew by 2.82%, while Oman's population grew by 4.04%.

Live population counters

Mauritania Oman
Current population
5539189
5775345
Population rank 123/197 118/197
Percent of world population 0.07% 0.07%
One net population change
3.62 minutes
2.47 minutes
One birth every
2.99 minutes
5.93 minutes
One death every
18.8 minutes
52.3 minutes
Daily growth/decline +399 +584
Annual growth/decline +145,670 +213,153
Annual growth/decline rate +2.82% +4.04%
Population growth rate rank 18/197 3/197
One migration net change every
1.74 hours
4.63 minutes
Annual migration change -5,044 +113,734
Net migration rank 115/196 15/196
Foreign-born residents 195,937 2,283,366
Foreign-born residents rank 113/195 33/195
Foreign-born share of population 3.8% 43.2%
Foreign-born share rank 107/195 11/195

Natural population change vs migration

Mauritania
Natural

Migration
Oman
Natural

Migration
1x
Year Population change
Mauritania Oman
Natural Migration Natural Migration
2025 - -5,044 - 113,734
2024 147,927 -2,185 78,557 154,219
2023 145,164 2,999 75,467 156,285
2022 142,451 2,999 67,278 339,063
2021 137,557 -1,483 69,991 -16,726
2020 134,899 -1,483 74,224 -171,635
2019 134,460 -3,019 77,394 -117,480
2018 131,584 -2,987 79,438 -52,630
2017 128,562 -3,001 82,408 11,751
2016 125,342 -3,008 81,350 117,538
2015 122,092 -3,019 79,241 133,842
2014 118,792 -2,980 76,258 75,557
2013 115,558 -2,987 71,905 113,335
2012 113,489 4,515 65,572 322,812
2011 111,165 3,272 59,689 492,609
2010 108,121 1,128 57,619 28,717
2009 105,273 -1,481 52,007 7,226
2008 102,432 -3,860 47,146 9,877
2007 98,895 -17,048 44,207 11,478
2006 94,991 -18,033 43,969 11,103
2005 90,940 -18,693 44,688 10,231
2004 87,578 -19,042 45,651 9,394
2003 83,804 -19,104 46,273 -19,265
2002 80,993 -18,903 46,397 -20,098
2001 78,769 -21,067 46,651 -19,103
2000 75,929 -2,997 47,208 -18,588
1999 73,554 -2,999 48,053 -18,235
1998 72,045 -8,504 48,654 -17,626
1997 71,327 -8,187 49,510 -16,998
1996 71,939 -28,840 50,362 -15,286
1995 72,244 -22,997 51,139 -13,418
1994 70,570 5,304 52,337 -12,665
1993 68,167 6,217 53,439 27,204
1992 63,501 34,505 54,471 31,756
1991 61,782 -2,997 55,382 31,927
1990 59,934 -3,000 56,000 31,722
1989 58,666 -17,941 56,202 31,528
1988 56,654 -2,997 56,142 31,456
1987 55,037 -2,998 55,933 31,608
1986 53,313 -2,998 55,324 32,289
1985 52,125 -2,998 54,609 33,666
1984 50,705 -2,998 52,253 14,993
1983 49,187 -2,998 49,646 15,617
1982 47,947 -2,998 46,939 15,359
1981 46,641 -2,998 44,176 14,239
1980 45,026 -2,997 41,109 12,626
1979 43,537 -2,997 38,022 12,511
1978 42,539 -2,998 35,141 11,946
1977 41,352 -2,999 32,342 10,554
1976 40,149 -1,645 30,032 8,299
1975 38,975 -1,472 27,699 5,632
1974 38,106 -1,321 25,543 4,880
1973 37,122 -1,201 24,195 -2,996
1972 36,184 -1,139 22,968 -2,996
1971 35,279 -1,014 21,973 -2,996
1970 34,382 -855 20,893 -2,996
1969 33,252 -688 19,949 -2,996
1968 32,029 -565 18,962 -2,996
1967 30,853 -514 17,990 -2,996
1966 29,502 -466 17,030 -2,996
1965 28,028 -434 16,103 -2,996
1964 26,565 -390 15,205 -2,996
1963 25,250 -362 14,283 -2,996
1962 23,927 -342 13,485 -2,996
1961 22,781 -332 12,690 -2,996
1960 21,604 -318 12,034 -2,996

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritania/oman | CC BY

Over the last 10 years, 99% of the population change in Mauritania is from natural causes (a gain of 1,350,038 people) and 1.04% is from migration (a loss of 14,187 people). In Oman 58% is from natural causes (a gain of 765,348 people) and 42% is from migration (a gain of 554,227 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 2,283,366 people or 43.2% in Oman.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
Oman
City Population
Muscat 1.42M
Seeb 471K
Salalah 332K
Nizwa 83.5K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/mauritania/oman | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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